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nfs/nfs4idmap: avoid pointless reference count bump

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The override creds are allocated with a long-term refernce when the
id_resolver is initialized via prepare_kernel_creds() that is put when
the id_resolver is destroyed.

Link: https://lore.kernel.org/r/20241125-work-cred-v2-14-68b9d38bb5b2@kernel.org
Acked-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2024-11-25 15:10:10 +01:00
parent 6c7a0a6afd
commit 3e23a1cd84
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GPG Key ID: 91C61BC06578DCA2
1 changed files with 2 additions and 2 deletions
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4
fs/nfs/nfs4idmap.c
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@ -311,9 +311,9 @@ static ssize_t nfs_idmap_get_key(const char *name, size_t namelen,
const struct user_key_payload *payload;
ssize_t ret;
saved_cred = override_creds(get_new_cred(id_resolver_cache));
saved_cred = override_creds(id_resolver_cache);
rkey = nfs_idmap_request_key(name, namelen, type, idmap);
put_cred(revert_creds(saved_cred));
revert_creds(saved_cred);
if (IS_ERR(rkey)) {
ret = PTR_ERR(rkey);